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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Serpens » 

Gudja - κ Serpentis (kappa Serpentis)

Altitude: 51.7°   Azimuth: 218.3°   Direction: South-West

Gudja, also designated as κ Serpentis (kappa Serpentis), is a variable hypergiant star in the constellation of Serpens.

Gudja visual magnitude is 4.09. Because of its moderate brightness, Gudja should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of Gudja is -0.051 arcsec per year in Right Ascension and -0.088 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Gudja - κ Serpentis (kappa Serpentis) star
DSS2 image of Gudja. The red arrow shows the motion of Gudja during the next 10000 years (-8.50 arcmin in Right Ascension and -14.67 arcmin in declination);

Key facts about Gudja


Gudja - κ Serpentis (kappa Serpentis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.7°
Azimuth: 218.3°
Direction: South-West

Celestial coordinates and finder chart of Gudja

Gudja is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Gudja are provided in the following table:

15h 48m 44s
+18° 08’ 30”

The simplified sky map below shows the position of Gudja in the sky:

Finder chart Gudja - κ Serpentis (kappa Serpentis) star
Simplified finder chart for Gudja - κ Serpentis (kappa Serpentis).

Visibility of Gudja from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Gudja - κ Serpentis (kappa Serpentis) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.9°
Max altitude: 56.7°
Azimuth: 288.1°

Distance of Gudja from the Sun and relative movement

Gudja is distant 348.29 light years from the Sun and it is moving towards the Sun at the speed of 39 kilometers per second.

106.84 pc
348.29 ly
-39 km/s
-0.051 arcsec/year
-0.088 arcsec/year

Spectral properties of Gudja

Gudja belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where Gudja is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Gudja. Attribution: Richard Powell / CC BY-SA

Alternative designations of Gudja

κ Serpentis
(kappa Serpentis)
35 Serpentis